code: def auto_augment(im, policy=None):
      """Apply auto augmentation to an image."""
      policy = policy if policy else AUTOAUG_POLICY
      for op, prob, magnitude in random.choice(policy):
          im = apply_op(im, op, prob, magnitude)
      return im
  
file_path: pycls/pycls/datasets/augment.py
imports: import random
  import numpy
  from PIL import Image, ImageEnhance, ImageOps
label_desc: Use image node_id 4 for calling a global function with example usage: auto_augment(im, policy) and returns: im